Where fiber is being built in Arizona
As of Dec 31, 2025, FCC filings show fiber at 35.1% of Arizona's 3.6 million homes, and the number of fiber homes grew 26.1% from June 30, 2025.
Fiber was filed in 149 of 283 Arizona cities and towns with 250 or more homes. In 73 of them it reached more than half of homes, and in the typical one it reached 48.1%.
Nationally, fiber was filed at 55.8% of homes. FCC Broadband Data Collection, residential units, 25/3 Mbps or faster. Filed by the providers themselves. How this is computed
Arizona counties
Pick a county for its full set of measures, grants and providers. Shares are of residential units, FCC filing as of Dec 31, 2025; growth is from June 30, 2025.
| County | Homes | Fiber share | Cable, no fiber | Fiber home growth |
|---|---|---|---|---|
| Apache County | 30,654 | 0.2% | none filed | no change (small June base) |
| Cochise County | 66,285 | 30.7% | at least 39.2% | +79% |
| Coconino County | 78,364 | 6% | at least 54.3% | +58.2% |
| Gila County | 35,864 | 20.7% | at least 51.6% | -18.2% |
| Graham County | 15,999 | 54.2% | at least 30.5% | +1.1% |
| Greenlee County | 5,134 | 46.5% | at least 16% | -8.5% |
| La Paz County | 16,136 | 36.1% | at least 35.4% | +36.1 points (small June base) |
| Maricopa County | 2.1 million | 37.7% | at least 50.2% | +33.4% |
| Mohave County | 141,706 | 79.5% | at least 10.9% | +3.5% |
| Navajo County | 63,621 | 6.8% | at least 53.5% | +41.2% |
| Pima County | 530,869 | 18.9% | at least 70.1% | +29.1% |
| Pinal County | 211,546 | 52% | at least 32.5% | +5.7% |
| Santa Cruz County | 22,322 | 5.5% | at least 60.2% | +5.5 points (small June base) |
| Yavapai County | 143,843 | 10.8% | at least 73.1% | +70.8% |
| Yuma County | 109,149 | 62.2% | at least 31.5% | +7.6% |
The 30 largest places in Arizona
By number of homes. Search above for any of the other 437 cities and towns.
| City or town | Homes | Fiber share | Cable, no fiber | Fiber home growth |
|---|---|---|---|---|
| Phoenix | 704,385 | 27.2% | at least 62.6% | +42.6% |
| Tucson | 274,416 | 25.4% | at least 65.6% | +28.5% |
| Mesa | 255,835 | 45.8% | at least 40.7% | +16.7% |
| Scottsdale | 153,450 | 44.7% | at least 45.1% | +83.5% |
| Chandler | 124,259 | 35.7% | at least 56.3% | +60.6% |
| Gilbert | 113,183 | 35.4% | at least 56.2% | +16.1% |
| Glendale | 105,297 | 30.1% | at least 58.7% | +52.5% |
| Tempe | 95,699 | 22.4% | at least 64.4% | +48.4% |
| Peoria | 90,641 | 50.6% | at least 39.8% | +65.1% |
| Surprise | 73,774 | 79.2% | at least 13.2% | +2.2% |
| Yuma | 51,643 | 90.2% | at least 9.6% | +6.6% |
| Goodyear | 47,439 | 68.8% | at least 20.1% | +5.1% |
| Avondale | 46,953 | 40.9% | at least 52.5% | +165.3% |
| Buckeye | 43,189 | 85.9% | at least 10.2% | +7.6% |
| San Tan Valley | 42,200 | 83.3% | at least 12.4% | +8.8% |
| Lake Havasu City | 41,939 | 99.8% | at least 0.2% | +0.2% |
| Casas Adobes | 36,469 | 3.3% | at least 96.2% | +52.7% |
| Flagstaff | 35,663 | 8% | at least 79.9% | +136.9% |
| Prescott | 30,242 | 6.7% | at least 92.9% | +166.1% |
| Catalina Foothills | 29,646 | 1.3% | at least 96.2% | +0.5% |
| Queen Creek | 29,515 | 68.6% | at least 25.7% | +6.4% |
| Sun City | 28,738 | 1.6% | at least 93.8% | +8.3% |
| Maricopa | 28,186 | 96.9% | at least 0.6% | -11.9% |
| Marana | 27,950 | 33.7% | at least 64.1% | +107.9% |
| Casa Grande | 27,860 | 25.3% | at least 59.5% | -4.3% |
| Bullhead City | 27,069 | 74.8% | at least 23.1% | no change |
| Oro Valley | 26,616 | 9.3% | at least 89.8% | +40.5% |
| Prescott Valley | 25,750 | 15.8% | at least 83.7% | +89% |
| Fortuna Foothills | 23,404 | 0.7% | at least 97.6% | +0.6 points (small June base) |
| Apache Junction | 22,461 | 34% | at least 63.2% | +52.1% |
The data
Every number on this page traces to one cell in the download. Source: FCC Broadband Data Collection, Fixed Broadband Summary by Geography, filings as of June 30, 2025 and Dec 31, 2025. Census figures: ACS 5-year estimates, 2020 to 2024. Grants: FCC Broadband Funding Map and the state broadband office.
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Figures come from provider filings with the FCC, which providers report themselves and which can be challenged. Nothing on this page is a promise of territory, earnings or service at any address.